Science

Tuesday, 2 December 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Earth
The Earth's atmosphere consists of many gases, most of which is nitrogen.
Nitrogen makes up about 78.1 percent of the atmosphere, oxygen 20.9 percent, and Argon 0.93 percent. ...
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Tears
Crying may help release tension.
Scientists distinguish “good” and “bad” patterns. They suggest that support from other people during ...
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Milky Way
Its diameter is from 100 to 120 thousand light years.
It is therefore a relatively large galaxy, although some cosmic giants may dwarf it in size. IC 1101 is about 20 times larger than the Milky Way, with a diameter of 2 million light-years.
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NASA
On May 12th, 2022, NASA’s Event Horizon Telescope captured the first image of the supermassive black hole at the center of the Milky Way.
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Cosmos
The exact size of the universe cannot be estimated.
We can perceive only the visible region of it (one from which light can move faster than the expandi ...
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Fungi
Most fungi develop as hyphae, which are cylindrical, thread-like structures 2-10 µm in diameter and up to several centimeters long.
The hyphae branch and connect, which leads to the formation of mycelium, which is an interconnected ...
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Deimos
The two largest craters of Deimos are approximately 3 kilometers in diameter: Swift and Voltaire.
They were named after two writers who claimed that Mars had two moons before this was proven.
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Tears
Watery eyes may be a signal of dry eye syndrome.
Dry eye syndrome is caused by insufficient quantity or quality of tears, which prevents the proper lubrication of eyeballs. It causes excessive watering of the eyes, as a response to the irritation.
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Silver
Later, pure silver coins were produced.
The British pound was initially worth 1 pound of 925 silver jewelry.
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Mushrooms
Most fungi develop as hyphae, which are cylindrical, filamentous structures 2-10 µm in diameter and up to a few centimeters long.
The hyphae branch, merge, which leads to the formation of mycelium, which is an interconnected netwo ...
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17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
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